Finding the Fourth Proportional to 313,932.14, 470,887.67 and 136,439.13
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Solution
The fourth proportional to 313,932.14, 470,887.67 and 136,439.13 is: 204,654.12
Step by Step Solution
- Step 1: Write the proportion equation
313,932.14 : 470,887.67 = 136,439.13 : x - Step 2: Convert to fraction form
313,932.14/470,887.67 = 136,439.13/x - Step 3: Cross multiply
313,932.14x = 470,887.67 × 136,439.13 - Step 4: Simplify right side
313,932.14x = 64,247,504,363.62 - Step 5: Solve for x
x = 64,247,504,363.62/313,932.14 - Step 6: Final answer
x = 204,654.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.